Methods of measurement of electro-acoustical characteristis of hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes— 9 стр.
Electroacoustics. Audio-frequency induction loop systems for assisted hearing. Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure— 18 стр.
Ergonomics data and guidelines for the application of ISO/IEC Guide 71 to products and services to address the needs of older persons and persons with disabilities— 172 стр.
Electroacoustics. Audio-frequency induction loop systems for assisted hearing. Methods of measuring and specifying the performance of system components— 32 стр.
Electroacoustics - Audio-frequency induction loop systems for assisted hearing -- Part 2: Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure (IEC 62489-2:2014) (english version)
Methods of measurement of electro-acoustical characteristis of hearing aids. Part 4: Magnetic field strength in audio-frequency induction loops for hearing aid purposes— 9 стр.